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Posted By: Brian A Mitel SX 20 e11 code - 06/26/20 02:57 PM
I have a Mitel SX20 customer that has had issues after a recent brown out. We have tried a power cycle. Calls only ring to the console in night mode and not in day mode. The programming seems intact but when I try to change any field in any programming mode it gives me an e11 code and doesn't let me proceed. I cannot find any information on the e11 error code. Has anyone heard of this?
Posted By: C5Z Re: Mitel SX 20 e11 code - 06/27/20 11:23 PM
It is possible that a switch on the CPU card needs to be flipped to allow program changes.
Kevin
Posted By: C5Z Re: Mitel SX 20 e11 code - 06/29/20 07:11 PM
Found it in the manual-
Error E11- Data entered is protected, set switch 8 on the CPU card to OPEN, then proceed.
Posted By: westerntelephone Re: Mitel SX 20 e11 code - 06/30/20 02:46 PM
The 20 is so old. You really should upgrade.
Posted By: paulw Re: Mitel SX 20 e11 code - 07/29/20 09:04 PM
Oldy but a goody. I cut my teeth on those old Mitel SX10 and 20 systems. Were ahead of their times compared with some other electronic systems at the same time.
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